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HUAWEI NIP6800 Series V500 Hardware Guide

This document of the NIP6800 Series describes hardware structure, installation guide, and hardware maintenance. The content of this document includes the appearance and specifications of the product, the supported expansion cards, preparation before the installation, installation, cabling, and hardware replacement.
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Replacing an Optical Cable

Replacing an Optical Cable

This section describes the procedure for replacing an optical cable.


Before replacing an optical cable, note the flowing:

  • During the process of replacing an optical cable, the services are interrupted temporarily.

  • Be careful when you remove or insert an optical cable in case that the connector of the optical cable is damaged.

  • When installing or maintaining an optical interface board or an optical cable, do not observe an optical interface or connectors of an optical cable.

  • The curvature radius of an optical cable should be 20 times greater than its diameter. Generally, the curvature radius should be greater than 40 mm.

  • Connectors of optical cables are divided into the LC type and the SC type. You must select an optical cable according to the interface type.


Before replacing an optical cable, you need the following tools:

  • Cutter

  • Binding strap

  • ESD wrist strap or ESD gloves


  1. Record the location of both ends of the optical cable to be replaced and the cabling mode.
  2. Take out the new optical cable and check whether the type of the new optical cable is consistent with that of the old one. The multi-mode optical cable is orange, and the single-mode optical cable is yellow.
  3. Make a new label based on information from the old optical cable label.
  4. Lay out the new optical cable in the original place.
  5. Remove the old optical cable.
    1. Put on the ESD gloves or wrist strap and connect the grounding terminal to the ESD jack on the rack.
    2. Remove the connectors. Then, cover the connectors with dust caps.


      If a connector is dusty, clean it with a dust cloth or fiber cleaning tissue.

    3. Remove the old optical cable from the corrugated pipe.
  6. Insert the new optical cable.

    Before inserting the new optical cable, remove the dust caps store them for future use. Then, connect both ends of the new optical cable to the optical interfaces.

  7. Label the new optical cable, as shown in Figure 3-43.

    Figure 3-43  Labeling a new optical cable

  8. Lay out the new optical cable neatly in the cabinet and bind the cable with a binding strap. The optical cable must be bound with adequate tightness and leaving enough space. Bind any extra cable to the ODF side.
  9. Check whether the new optical cable is working normally.

    • Check the LINK indicator at the optical interface. If the indicator is steady green, the link is Up.
    • Check whether the service on the board where the new optical cable connects is normal. If services are normal, the optical cable is replaced successfully.
    • Check whether there is any new alarm or performance event.

Follow-up Procedure

  • Gather up and store the tools and old optical cable.
  • Separate the old and the optical cables to avoid confusion.
Updated: 2019-01-04

Document ID: EDOC1100059253

Views: 15827

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